Nebula | |
---|---|
Observation data: J2000.0[1] epoch | |
Right ascension | 22 19 21.46[2] |
Declination | 63° 14' 53.68"[2] |
Distance | 3,000[1] ly (900[3] pc) |
Constellation | Cepheus[1] |
Sharpless 140 is an H II region and emission nebula in the Cepheus constellation,[2] 3,000 light years from the Solar System.[1] It is part of the Cepheus bubble.[3] The surface of the nebula's clouds primarily consists of polycyclic aromatic hydrocarbons.[4]